Continental ProContact TX 225/40R18 Tires
Continental ProContact TX 225/40R18 XL 92H is a touring all-season tire priced from $183.97.
Continental ProContact TX 225/40R18 XL 92H Tire Specs
225/40R18 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P225/40R18) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
225 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 225/40R18 tire is 225 millimeters.
40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 225/40R18 tire, the sidewall height is 40% of its tread width.
R denotes that 225/40R18 tire has radial construction.
18 represents the wheel diameter in inches that the tire is designed to fit. 225/40R18 can be mounted on rims with 18 inches in diameter.
XL denotes the load range of a tire. XL stands for Extra Load. Tires with this designation are constructed to carry more weight than standard load tires of the same size. This is achieved by reinforcing the tire's construction, often through additional or stronger layers known as plies.
92 indicates the load index. A tire with a load index of 92 can support a maximum load of 1389 pounds or 630 kilograms per tire.
H indicates the speed rating. A tire with a speed rating of H is approved for speeds up to 130 miles per hour or 209 kilometers per hour under optimal conditions.
Maximum inflation for Continental ProContact TX 225/40R18 tire is 51 psi.
Uniform Tire Quality Grading System (UTQG) rating for Continental ProContact TX 225/40R18 tire is 500 A A.
Tire manufacturer part number (MPN) is 03575420000.

225/40R18 Dimensions Chart
Continental ProContact TX 225/40R18 tire has a diameter of 25.1", a width of 8.9", mounts on a 18" rim, and makes 804 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 225 mm | 8.9" |
Aspect Ratio | 40% | |
Rim Diameter | 457 mm | 18" |
Tire Diameter | 637 mm | 25.1" |
Sidewall Height | 90 mm | 3.5" |
Circumference | 2000 mm | 78.8" |
Revolutions | 500 per km | 804 per mile |
More 225/40R18 Tires
Here are the lowest priced tires availabe in 225/40R18 tire size.

GT Radial Champiro UHP A/S 225/40R18
from $77.94
Accelera Phi 225/40R18
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Westlake SA-07 225/40R18
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Achilles Street Hawk Sport 225/40R18
from $85.99
Milestar Weatherguard AS710 Sport 225/40R18
from $92.79
Milestar MS932 Sport 225/40R18
from $95.95
Riken Raptor ZR A/S 225/40R18
from $97.77
Milestar Interceptor A/S 810 225/40R18
from $99.95Shop more 225/40R18 tires with tire finder.
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